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Monte Vista Wd

Published drinking-water records and contacts for Monte Vista Wd. System CA3610029. Review sources and dates; not a real-time water assessment.

System ID
CA3610029
State or territory
CA
Published population served
56017
System type (source code)
CWS

Published records and dates

Missing records here do not mean the provider did not test. Published records are not a real-time assessment of your tap water.

Read the provider’s annual water quality report

Report link listed: 2026-10-05. This is not the report’s sampling date.

Published testing results

Selected recent records are shown below. Different sampling locations and dates are not interchangeable. These excerpts are not a complete testing history.

“<” means below the stated reporting limit, not zero. A reported measurement alone is not a safety verdict. Read an example

EPA UCMR 5 — most recent imported sample per substance
SubstancePublished resultReporting limitSample dateSampling location
11Cl-PF3OUdS< 0.005 µg/L0.005 µg/L2025-12-22Plant 18 / 3610029008
4:2 FTS< 0.003 µg/L0.003 µg/L2025-12-22Plant 18 / 3610029008
6:2 FTS< 0.005 µg/L0.005 µg/L2025-12-22Plant 1 (Wells 30, 32 & 33) / 3610029005
8:2 FTS< 0.005 µg/L0.005 µg/L2025-12-22Plant 18 / 3610029008
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-12-22Plant 18 / 3610029008
ADONA< 0.003 µg/L0.003 µg/L2025-12-22Plant 1 (Wells 30, 32 & 33) / 3610029005
HFPO-DA< 0.005 µg/L0.005 µg/L2025-12-22Plant 18 / 3610029008
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-12-22Plant 18 / 3610029008
NFDHA< 0.02 µg/L0.02 µg/L2025-12-22Plant 4 / 3610029007
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-12-22Plant 1 (Wells 30, 32 & 33) / 3610029005
PFBA< 0.005 µg/L0.005 µg/L2025-12-22Plant 1 (Wells 30, 32 & 33) / 3610029005
PFBS< 0.003 µg/L0.003 µg/L2025-12-22Plant 1 (Wells 30, 32 & 33) / 3610029005
PFDA< 0.003 µg/L0.003 µg/L2025-12-22Plant 1 (Wells 30, 32 & 33) / 3610029005
PFDoA< 0.003 µg/L0.003 µg/L2025-12-22Ramona Avenue Blend / 3610029044
PFEESA< 0.003 µg/L0.003 µg/L2025-12-22Plant 4 / 3610029007
PFHpA< 0.003 µg/L0.003 µg/L2025-12-22Plant 1 (Wells 30, 32 & 33) / 3610029005
PFHpS< 0.003 µg/L0.003 µg/L2025-12-22Plant 1 (Wells 30, 32 & 33) / 3610029005
PFHxA< 0.003 µg/L0.003 µg/L2025-12-22Plant 1 (Wells 30, 32 & 33) / 3610029005
PFHxS< 0.003 µg/L0.003 µg/L2025-12-22Plant 18 / 3610029008
PFMBA< 0.003 µg/L0.003 µg/L2025-12-22Plant 18 / 3610029008
PFMPA< 0.004 µg/L0.004 µg/L2025-12-22Plant 1 (Wells 30, 32 & 33) / 3610029005
PFNA< 0.004 µg/L0.004 µg/L2025-12-22Plant 18 / 3610029008
PFOA< 0.004 µg/L0.004 µg/L2025-12-22Ramona Avenue Blend / 3610029044
PFOS< 0.004 µg/L0.004 µg/L2025-12-22Plant 18 / 3610029008
PFPeA< 0.003 µg/L0.003 µg/L2025-12-22Plant 18 / 3610029008
PFPeS< 0.004 µg/L0.004 µg/L2025-12-22Plant 18 / 3610029008
PFTA< 0.008 µg/L0.008 µg/L2025-12-22Plant 4 / 3610029007
PFTrDA< 0.007 µg/L0.007 µg/L2025-12-22Plant 4 / 3610029007
PFUnA< 0.002 µg/L0.002 µg/L2025-12-22Plant 18 / 3610029008
lithium< 9 µg/L9 µg/L2025-12-22Ramona Avenue Blend / 3610029044

Download all EPA UCMR 5 records (CSV)

Lead and copper: 90th-percentile summaries

These describe a monitoring period across sampled locations, not the result at your home. How to read the 90th percentile

Eight most recent imported monitoring summaries
SubstancePublished 90th percentileMonitoring periodSource quarter
Lead (PB90) 0 mg/L2023-01-01 – 2025-12-312026Q3
Lead (PB90) 0 mg/L2020-01-01 – 2022-12-312026Q3
Lead (PB90) 0 mg/L2017-01-01 – 2019-12-312026Q3
Lead (PB90) 0 mg/L2014-01-01 – 2016-12-312026Q3
Lead (PB90) 0 mg/L2011-01-01 – 2013-12-312026Q3
Lead (PB90) 0 mg/L2008-01-01 – 2010-12-312026Q3
Lead (PB90) 0 mg/L2005-01-01 – 2007-12-312026Q3
Lead (PB90)= 0.17 mg/L2004-01-01 – 2004-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
1,2-DIBROMO-3-CHLOROPROPANE< 0.010000000 UG/L2026-06-30RAMONA AVENUE BLEND - TREATED / California DDW laboratory results
NITRATE3.0 MG/L2026-06-30PLANT 34 GAC AND IX FINISHED EFFLUENT / California DDW laboratory results
PERCHLORATE< 1.000000000 UG/L2026-06-30RAMONA AVENUE BLEND - TREATED / California DDW laboratory results
NITRATE3.8 MG/L2026-06-30WELL 28 / California DDW laboratory results
NITRATE< 0.400000000 MG/L2026-06-30WFA CONNECTION - TREATED / California DDW laboratory results
NITRATE< 0.400000000 MG/L2026-06-30RAMONA AVENUE BLEND - TREATED / California DDW laboratory results
NITRATE6.1 MG/L2026-06-30WELL 26 / California DDW laboratory results
NITRATE15 MG/L2026-06-30ASR WELL 32 / California DDW laboratory results
NITRATE< 0.400000000 MG/L2026-06-23RAMONA AVENUE BLEND - TREATED / California DDW laboratory results
NITRATE3.6 MG/L2026-06-23WELL 28 / California DDW laboratory results
NITRATE2.6 MG/L2026-06-23PLANT 34 GAC AND IX FINISHED EFFLUENT / California DDW laboratory results
1,2-DIBROMO-3-CHLOROPROPANE< 0.010000000 UG/L2026-06-23RAMONA AVENUE BLEND - TREATED / California DDW laboratory results

State sampling points can include untreated water. Publisher qualifiers and units are retained; consult the full source notes before interpreting a record.

Download state records with source notes (CSV)

Published compliance history

0 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.

Source dates and refresh checks

A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.

Administrative contact (EPA filing)

Scott-Coe, Justin: 909-267-2125

An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.

Official state resources · How to read these records